One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Broken Arrow should be reffered to in order to determine when it's the best time to plant sweet sultan.

Planting Calendar for Sweet Sultan

Frost tolerance for sweet sultan:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Sweet Sultan can survive in mild cold which tells us that you can plant them a bit earlier in the year than other plants that might not handle the cold.

The earliest that you can plant sweet sultan in Broken Arrow is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant sweet sultan and expect a good harvest is probably August. If you wait any later than that and your sweet sultan may not have a chance to really do well. You can get started a little bit earlier by starting your sweet sultan indoors.

Last Frost Date

The average date of last frost is April 15 in Broken Arrow. You should expect an average low temperature of 0°F in the coldest months of winter.

Always keep in mind that USDA zone info for Broken Arrow is just an average and the actual date of last frost is different every year. Half of the time in Broken Arrow last frost occurs after April 15 so always be ready to cover your sweet sultan in the event of one of those late frosts.

USDA Zone Info for Broken Arrow

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	0°F
Highest Expected Low	5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Broken Arrow

You may be interested in your other planting guides for Broken Arrow.